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<title>F.isnum</title>
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		<h2><span>返回值:</span>F.isnum</h2>
					<h3>概述 : 判断变量是否为数字</h3>
									<h3>语法1：F.isnum(v)</h3>
						<table class="args">
				<!--caption>参数列表：(1)</caption-->
				<tr><th>参数名称</th><th>类型</th><th>描述</th></tr>
									<tr><td><strong>v</strong></td><td>Variable</td><td>变量</td></tr>
								<tr><td colspan="3">&nbsp;</td></tr>
				<tr><td>返回值</td><td>Boolean</td><td></td></tr>
			</table>
				<div class="example">
			<h3>示例 : </h3>
						
									
				<h5 xmlns="">JS代码:</h5>
				<pre xmlns=""><code id="jsbox"></code></pre>
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			<h3>同类参考 :</h3>
			<div>
							<span><a href='36.html'>F.isstr</a></span>&#12288;|&#12288;							<span><a href='134.html'>F.isarr</a></span>&#12288;|&#12288;							<span><a href='35.html'>F.isfun</a></span>&#12288;|&#12288;							<span><a href='190.html'>F.isobj</a></span>&#12288;|&#12288;							<span><a href='188.html'>F.isset</a></span>&#12288;|&#12288;							<span><a href='189.html'>F.unset</a></span>&#12288;|&#12288;							<span><a href='137.html'>F.isnode</a></span>&#12288;|&#12288;							<span><a href='155.html'>F.isdom</a></span>&#12288;|&#12288;							<span><a href='156.html'>F.isfdom</a></span>&#12288;|&#12288;							<span><a href='4.html'>F.isdoms</a></span>&#12288;|&#12288;							<span><a href='157.html'>F.isfdoms</a></span>&#12288;|&#12288;							<span><a href='27.html'>F.iscollect</a></span>						</div>
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<textarea id="css" style="display:none;"></textarea>
<textarea id="html" style="display:none;"></textarea>
<textarea id="js" style="display:none;">alert(F.isnum([1]));
alert(F.isnum("1"));
alert(F.isnum(1));</textarea>
<textarea id="result" style="display:none;"></textarea>


<script type="text/javascript">
var css = F('css').val();
var html = F('html').val();		
var js = F('js').val();
var result = F('result').val();
css && F('cssbox').highlight(css, "css");
html && F('htmlbox').highlight(html, "html");
js && F('jsbox').highlight(js, "js");
result && F('resultbox').highlight(result,"js");
</script>

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